{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["employee of", "origin", "country of birth"], "input": "Earlier in the week Iraqi officials had described the man killed near Taji as  Abu Ayyub al-Masri  the leader of  Al-Qaeda in Iraq  but Caldwell said this was not possible as tests would have already proved this ."}
{"employee of": [], "origin": [], "country of birth": []}